Viola Solo - Level 3 - Digital Download SKU: A0.778021 Composed by Boismortier, Joseph Bodin de (1689-1755). Arranged by Kamada, Mikio. Baroque. Individual part. 19 pages. ACORDO Sheet Music #5038493. Published by ACORDO Sheet Music (A0.778021). Six Sonatas Op.34 were originally composed by Boismortier for three melodic instruments (violins, flutes, etc.) and basso continuo on 1731. Op.34-4 consists of the following movements;